Question

How to replace the last occurrence of character in string with Node.js

Answer 1

let str = 'javascript typescript node.js python';
 
const lastIndex = str.lastIndexOf('e');

const replace_char = 'W';

str = str.substring(0, lastIndex) + replace_char + str.substring(lastIndex + 1);
 
console.log(str); 
 
 
   
   
   
   
/*
run:
   
javascript typescript nodW.js python
   
*/

 

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